i already buy the vacaum meter...how to connect the hose at enjein...im using carb...the cost to install at machanic too expensive 4 me so i decide to DMY...How aa???
HI all,
I recently got a set of forge piston with compression ratio of 9:1. I am palnning to fix it on my gti, however I am not sure the 9:1 ratio is with or without consideration of the metal gaket?